CN207111445U - A kind of middle-opening pump high accuracy bearing pin - Google Patents
A kind of middle-opening pump high accuracy bearing pin Download PDFInfo
- Publication number
- CN207111445U CN207111445U CN201720380900.2U CN201720380900U CN207111445U CN 207111445 U CN207111445 U CN 207111445U CN 201720380900 U CN201720380900 U CN 201720380900U CN 207111445 U CN207111445 U CN 207111445U
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- China
- Prior art keywords
- pump
- axle sleeve
- pin
- pump housing
- alignment pin
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- 230000013011 mating Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 210000003739 neck Anatomy 0.000 description 9
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of middle-opening pump high accuracy bearing pin, including axle, bearing, one stage impeller, one-level sucks room, two level sucks room, sencond stage impeller, the pump housing, three-level impeller, three-level sucks room, pump cover, water inlet and delivery port, the first axle sleeve is socketed with axle, second axle sleeve and the 3rd axle sleeve, and first axle sleeve, second axle sleeve and the 3rd axle sleeve correspond to respectively is fixedly connected with the first bushing, second bushing and the 3rd bushing, first axle sleeve, second axle sleeve, 3rd axle sleeve and the first bushing, the pump housing on pump cover with offering pin-and-hole, and the pin bore surface on the pump housing is provided with annular groove, neck is provided with alignment pin, alignment pin lower surface is threaded with threads, neck is arranged with mat, the utility model discloses a kind of application method of middle-opening pump high accuracy bearing pin.The knife of mating surface one of alignment pin and pin-and-hole shapes, and cost is low, and precision is high, is easy to alignment pin to fix, alignment pin enhances the stability of the pump housing and pump cover, is easy to middle-opening pump to process.
Description
Technical field
A kind of middle-opening pump is the utility model is related to, specifically a kind of middle-opening pump high accuracy bearing pin.
Background technology
Split pump structure is simple, reliable, easy to maintenance, and very big proportion is accounted in industrial pump, and use is relatively broad, by
To the welcome of people.
Middle-opening pump is that to prolong the center line of pump shaft by water pump subdivision be upper and lower two parts, and upper part is typically pump cover, lower part
It is the pump housing；At present, middle-opening pump first installs two alignment pins in process, then the pump housing, pump cover are processed together altogether.
All use the two taper finger settings in processing and assembling, the pump housing of the high-lift middle-opening pump of big flow, pump cover
Piece weight is more than 3 tons, encounters very big difficulty in processing and installation using cone pin, because piece weight is big, is hanging
During dress, cone pin is easy to wear, and does not reach the installation accuracy needed for the high-lift middle-opening pump of big flow.
Utility model content
The purpose of this utility model is to provide a kind of middle-opening pump high accuracy bearing pin and its application method, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of middle-opening pump high accuracy bearing pin, including axle, bearing, one stage impeller, one-level suction room, two level suction room, two level
Impeller, the pump housing, three-level impeller, three-level suck room, pump cover, water inlet and delivery port, and the first axle sleeve, second are socketed with the axle
Axle sleeve and the 3rd axle sleeve, and the first axle sleeve, the second axle sleeve and the 3rd axle sleeve correspond to be fixedly connected with the first bushing respectively, the second lining
Pin-and-hole is offered on set and the 3rd bushing, the first axle sleeve, the second axle sleeve, the 3rd axle sleeve and the first bushing, the pump housing and pump cover,
And the pin bore surface on the pump housing is provided with annular groove, the pump housing is fixedly connected with pump cover by alignment pin, and alignment pin and pump cover
Rounding corner structure is presented in mating connection face bottom, and neck is provided with the alignment pin, and is positioned pin surface and be located at below neck
Escape is provided with, the alignment pin lower surface is threaded with threads, and neck is arranged with mat.
As further program of the utility model：The pump housing is fixedly connected with pump cover by alignment pin, and the pump housing with
Axle is provided between pump cover.
As the utility model further scheme：One stage impeller, sencond stage impeller and three are fixedly connected with the axle
Level impeller.
As the utility model further scheme：One-level suction room, two level are provided between the pump housing and pump cover
Room and three-level suction room are sucked, the axle both ends are fixedly connected with bearing.
As the utility model further scheme：The pump housing surface is fixedly connected with water inlet, pump housing lower surface
Delivery port is fixedly connected with, and water inlet connects with delivery port with the pump housing.
As the utility model further scheme：It is taper at the top of the alignment pin, the angle of taper is less than material
Angle of friction.
As the utility model further scheme：The annular groove is highly more than the thickness of mat；The mat
For semicircular structure, and mat opening is more than 90 °.
As the utility model further scheme：The height of first mating surface is more than the external diameter of alignment pin, and
The height of second mating surface is more than the half of alignment pin external diameter.
The application method of above-mentioned middle-opening pump high accuracy bearing pin, is concretely comprised the following steps：
S1, two semicircle mats are connected to inside the neck of alignment pin；
S2, detent fit is connected to inside pin-and-hole, nut is installed, screw thread and the screw thread of alignment pin bottom are connected
Alignment pin is fixedly connected with pump cover；Mat is located inside the annular groove on the pump housing；
Pin-and-hole on S3, pump cover is guided automatically, and alignment pin top tapered structure is shot in pump cover pin-and-hole, by pump cover and the pump housing
It is fixed.
Compared with prior art, the beneficial effects of the utility model are：1) knife of mating surface one of alignment pin and pin-and-hole is processed
Shaping, cost is low, and precision is high；2) mat is installed on alignment pin, is easy to alignment pin to fix, the mating surface of alignment pin can a knife add
Work shapes；3) alignment pin enhances the stability of the pump housing and pump cover, is easy to middle-opening pump to process.
Brief description of the drawings
Fig. 1 is the structural representation of middle-opening pump high accuracy bearing pin；
Fig. 2 is the structural representation of middle-opening pump high accuracy bearing pin and its application method middle pump body；
Fig. 3 is middle-opening pump high accuracy bearing pin and its mounting structure schematic diagram of application method middle pump body and pump cover；
Fig. 4 is the structural representation of mat in middle-opening pump high accuracy bearing pin and its application method；
Fig. 5 is the structural representation of alignment pin in middle-opening pump high accuracy bearing pin and its application method；
Fig. 6 is that the installation of alignment pin and pump cover in middle-opening pump high accuracy bearing pin and its application method coordinates sectional view；
Fig. 7 is the mounting structure schematic diagram of traditional middle-opening pump middle pump body and pump cover.
In figure：1- axles；2- bearings；3- mats；4- one stage impellers；5- one-levels suck room；6- two levels suck room；7- two level leaves
Wheel；The 8- pump housings；9- three-level impellers；10- three-levels suck room；The axle sleeves of 11- first；The axle sleeves of 12- second；The axle sleeves of 13- the 3rd；14- pumps
Lid；15- water inlets；16- delivery ports；17- alignment pins；18- connecting bolts；19- pin-and-holes；20- necks；21- escapes；22- spiral shells
Line；The mating surfaces of 23- first；The mating surfaces of 24- second.
Embodiment
The technical solution of the utility model is described in more detail with reference to embodiment.
Refer to Fig. 1-7, a kind of middle-opening pump high accuracy bearing pin, including axle 1, bearing 2, one stage impeller 4, one-level suction room
5th, two level suction room 6, sencond stage impeller 7, the pump housing 8, three-level impeller 9, three-level suction room 10, pump cover 14, water inlet 15 and delivery port
16；The pump housing 8 is fixedly connected with pump cover 14 by alignment pin 17, and axle 1 is provided between the pump housing 8 and pump cover 14, and on axle 1
It is fixedly connected with one stage impeller 4, sencond stage impeller 7 and three-level impeller 9；One-level suction is provided between the pump housing 8 and pump cover 14
Room 5, two level suction room 6 and three-level suction room 10, the both ends of axle 1 are fixedly connected with bearing 2.
The first axle sleeve 11, the second axle sleeve 12 and the 3rd axle sleeve 13, and the first axle sleeve 11, the second axle are socketed with the axle 1
The axle sleeve 13 of set 12 and the 3rd corresponds to respectively is fixedly connected with the first bushing, the second bushing and the 3rd bushing, the first axle sleeve 11, second
Axle sleeve 12, the 3rd axle sleeve 13 and the first bushing, the second bushing and the 3rd bushing are high with the use of precision so that axle sleeve and impeller it
Between gap it is small, during lifting, axle 1 can not rotate.
The surface of the pump housing 8 is fixedly connected with water inlet 15, and the lower surface of the pump housing 8 is fixedly connected with delivery port 16, and intakes
Mouth 15 connects with delivery port 16 with the pump housing 8.
Referring to Fig. 3, pin-and-hole 19 is offered on the pump housing 8 and pump cover 14, and the surface of pin-and-hole 19 on the pump housing 8 is provided with
Annular groove, the pump housing 8 are fixedly connected with pump cover 14 by alignment pin 17.
Referring to Fig. 6, rounding corner structure is presented with the mating connection face bottom of pump cover 14 in the alignment pin 17.
Refer to Fig. 5；Neck 20 is provided with the alignment pin 17, and the surface of alignment pin 17 is located at the lower section of neck 20 and set
There is escape 21, the lower surface of alignment pin 17 is threaded with threads 22, and the top of alignment pin 17 is taper, and the angle of taper is less than
The angle of friction of material, the neck 20 is arranged with mat 3, and annular groove is highly more than the thickness of mat 3；The mat 3 is
Semicircular structure, and the opening of mat 3 is more than 90 °, is easy to the installation of mat 3；The height of first mating surface 23 is more than positioning
The external diameter of pin 17, and the height of the second mating surface 24 is more than the half of the external diameter of alignment pin 17.
The application method of the middle-opening pump high accuracy bearing pin, is concretely comprised the following steps：
S1, two semicircle mats 3 are connected to inside the neck 20 of alignment pin 17；
S2, alignment pin 17 is connected inside pin-and-hole 19, nut, screw thread and the screw thread of the bottom of alignment pin 17 are installed
22, which are connected, is fixedly connected with alignment pin 17 with pump cover 14；Mat 3 is located inside the annular groove on the pump housing 8；
Pin-and-hole 19 on S3, pump cover 14 is guided automatically, and the top tapered structure of alignment pin 17 is shot in the pin-and-hole 19 of pump cover 14, will
Pump cover 14 is fixed with the pump housing 8.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of middle-opening pump high accuracy bearing pin, including axle (1), bearing (2), one stage impeller (4), one-level suction room (5), two level are inhaled
Enter the room (6), sencond stage impeller (7), the pump housing (8), three-level impeller (9), three-level suction room (10), pump cover (14), water inlet (15) and
Delivery port (16), it is characterised in that the first axle sleeve (11), the second axle sleeve (12) and the 3rd axle sleeve are socketed with the axle (1)
(13), and the first axle sleeve (11), the second axle sleeve (12) and the 3rd axle sleeve (13) correspond to be fixedly connected with the first bushing respectively, and second
Bushing and the 3rd bushing, the first axle sleeve (11), the second axle sleeve (12), the 3rd axle sleeve (13) and the first bushing, the pump housing (8) with
Pin-and-hole (19) is offered on pump cover (14), and pin-and-hole (19) surface on the pump housing (8) is provided with annular groove, the pump housing (8) and pump
Lid (14) is fixedly connected by alignment pin (17), and rounding knot is presented with pump cover (14) mating connection face bottom in alignment pin (17)
Structure, is provided with neck (20) on the alignment pin (17), and alignment pin (17) surface is located at below neck (20) and is provided with withdrawing
Groove (21), alignment pin (17) lower surface are threaded with threads (22), and neck (20) is arranged with mat (3).
2. a kind of middle-opening pump high accuracy bearing pin according to claim 1, it is characterised in that the pump housing (8) and pump cover
(14) it is fixedly connected by alignment pin (17), and axle (1) is provided between the pump housing (8) and pump cover (14).
3. a kind of middle-opening pump high accuracy bearing pin according to claim 1 or 2, it is characterised in that fixed on the axle (1) to connect
It is connected to one stage impeller (4), sencond stage impeller (7) and three-level impeller (9).
4. a kind of middle-opening pump high accuracy bearing pin according to claim 3, it is characterised in that the pump housing (8) and pump cover
(14) one-level suction room (5), two level suction room (6) and three-level suction room (10) are provided between, axle (1) both ends, which are fixed, to be connected
It is connected to bearing (2).
5. a kind of middle-opening pump high accuracy bearing pin according to claim 4, it is characterised in that the pump housing (8) surface is fixed
Be connected with water inlet (15), the pump housing (8) lower surface is fixedly connected with delivery port (16), and water inlet (15) and delivery port (16) with
The pump housing (8) connects.
6. a kind of middle-opening pump high accuracy bearing pin according to claim 5, it is characterised in that be at the top of the alignment pin (17)
Taper, the angle of taper are less than the angle of friction of material.
7. a kind of middle-opening pump high accuracy bearing pin according to claim 6, it is characterised in that the annular groove is highly more than
The thickness of mat (3)；The mat (3) is semicircular structure, and mat (3) opening is more than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380900.2U CN207111445U (en) | 2017-04-12 | 2017-04-12 | A kind of middle-opening pump high accuracy bearing pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380900.2U CN207111445U (en) | 2017-04-12 | 2017-04-12 | A kind of middle-opening pump high accuracy bearing pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111445U true CN207111445U (en) | 2018-03-16 |
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ID=61595595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720380900.2U Active CN207111445U (en) | 2017-04-12 | 2017-04-12 | A kind of middle-opening pump high accuracy bearing pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091234A (en) * | 2017-04-12 | 2017-08-25 | 广州昕恒广圆机械设备有限公司 | A kind of high-precision bearing pin of middle-opening pump and its application method |
-
2017
- 2017-04-12 CN CN201720380900.2U patent/CN207111445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091234A (en) * | 2017-04-12 | 2017-08-25 | 广州昕恒广圆机械设备有限公司 | A kind of high-precision bearing pin of middle-opening pump and its application method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of high precision pin shaft for split pump Effective date of registration: 20210618 Granted publication date: 20180316 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU XINHENG GUANGYUAN MACHINERY EQUIPMENT Co.,Ltd. Registration number: Y2021980004939 |